The Bolt,shear, cataloged under National Stock Number 5306-00-043-0566, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-043-0566 |
| Primary Part Number | AIC926-4-20 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Fastener Length | 1.543 INCHES NOMINAL IN |
| Thread Length | 0.293 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.418 INCHES NOMINAL FIRST HOLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AIC926-4-20 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511A4-20A | Northrop Grumman Systems Corporation (USA) |
| BM90156-4-20 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| EWSB926-4A20 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| VS2106C4S20 | 5/2 Secondary reference U.S. Government activity |
| EWSB926-4-20 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BM90156-4-20 | 5/9 Secondary reference U.S. Government activity |
| EWSB926-4A20 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30EK4-20C | 7/2 Vendor item drawing reference U.S. Government activity |
| C878-4-20 | 7/2 Vendor item drawing reference U.S. Government activity |
| EWSB926-4-20 | C/1 Advisory reference — outside the item-of-supply concept Alta Products Co Inc |
| EWSB926-4-20 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-043-0566 is a Bolt,shear, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-043-0566 has 3 manufacturer part numbers on file: AIC926-4-20 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511A4-20A (Northrop Grumman Systems Corporation), BM90156-4-20 (Huck International, Inc).
Key specifications for AIC926-4-20: Head Height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Fastener Length: 1.543 INCHES NOMINAL IN; Thread Length: 0.293 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.076 INCHES NOMINAL FIRST HOLE IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.